Looking for a job

Takeda Yoichi

@daniel0915

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Senior blockchain and full-stack Engineer building secure dApps, Defi, DEX&CEX NFTs, and scalable smart contracts.

United States

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What I'm looking for

I’m looking to build secure Web3 dApps—smart contracts, NFTs, and DeFi—where I can own backend architecture, collaborate with auditors, and ship production-ready code in fast-paced teams.

MY PERSONAL QUALITIES:

· Fluent English

· Fast learner

· Highly motivated and able to work on my own or within a team.

· Able to cope under pressure and meet the demands of users.

· An approachable, friendly, and enthusiastic personality.

· Savvy to learn

So why hire me?? I take pride in work I do, and with whom I work with. My traits which differentiates me from other freelancers are.

1. On time Delivery

2. Open to change and compatibility

3. Honest and open communication

4. Punctuality

5. Diversity

So let’s connect and build something great

Experience

Work history, roles, and key accomplishments

Senior Full-stack & Blockchain Engineer

OMG Company

Aug 2023 - Nov 2025 (2 years 3 months)

Built high-performance backend services using Node.js and Rust for blockchain applications. Integrated
smart contracts and Web3 APIs for secure transaction workflows. Designed scalable distributed
systems and REST APIs with strong focus on reliability and performance.

Node.Js Solidity Rust Haskell Smart Contracts NFT DeFi Backend Python NodeJS PostgreSQL MetaMask WalletConnect

Senior Software Engineer

Better

Sep 2019 - Jul 2023 (3 years 10 months)

Developed fullstack features for financial systems, including backend APIs and frontend components.
Maintained distributed workflow systems and improved observability and system reliability. Designed
scalable services for underwriting and data processing.

Next.js Python TypeScript React Web3.js Solidity ERC20 DeFi Bitcoin Multisig Uniswap Bancor Forking

Associate Software Engineer

Salesforce

Jul 2015 - Jun 2019 (3 years 11 months)

Built backend services and APIs for a large-scale enterprise platform. Worked on distributed systems
and internal tools supporting core product functionality.